Articles by Dan Holohan

Get Real — Get Hydronic Heat

Attention to Engineering and Design May Save Generations of Comfort Grief

My daughter Erin, along with her three sisters, grew up listening to me talk nonstop about hydronic heating. Erin recently bought a house with a furnace.


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A History of Steam Pressure Relief Valves

Who Truly Gets Credit for the Invention of the Steam Pressure Relief Valve?

In 1905, a boiler in a Boston shoe factory blew up, traveled a great distance through the air, and landed, with delightful justice, in the front yard of the operating engineer’s house. Think it got his attention?


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2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

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NEWSMakers: Mark Crockett
Mark Crockett vice president, Crockett Facilities Services, explains the importance of technician training, the value of being a top minority-owned company in the U.S., current projects the company is managing, and much more. Posted on April 24.
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2015 April 20

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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